Angela M. - Unit 4 Review

What side does the pulmonary circuit go through and with clean or dirty blood?

• Left; clean

• Right; dirty

• Right; clean

• Left; dirty

What is the main function of the left ventricle?

• Receive blood from systemic circuit

• Pump blood through pulmonary circuit

• Receive blood from pulmonary circuit

• Pump blood through systemic circuit

What are the muscle layers of the heart wall?

• epicardium, myocardium, and endocardium

• Superior vana cava and inferior vena cava

• Tricuspus, bicuspid, aortic, and pulmonary

• Interventricular septum and interatrial septum

The ventricles are _______ to the atrium

• Superior

• Inferior

• Lateral

• Medial

What valves are atrioventricular valves?

• Aortic and pulmonary

• Right pulmonary veins and left pulmonary veins

• Superior vena cava and inferior vena cava

• Tricuspid and bicuspid

What valves are semilunar valves?

• Aortic valve and pulmonary valve

• Left pulmonary veins and right pulmonary veins

• Superior vena cava and inferior vena cava

• Tricuspid valve and bicuspid valve

What are ways to replace valvular stenosis or incompetent valves?

• Mechanical valve

• Animal valve

• Take it out

• Cadaver valve

In the pathway of blood, where does blood go from the pulmonary semilunar valve?

• Right ventricle

• Pulmonary trunk

• Left ventricle

• Pulmonary arteries

What is your natural pacemaker of the heart?

• AV bundle

• Bundle of his

• AV node

• SA node

What is the sequence of excitation? (5)

• 1.Purkinjie fibers 2. Bundle branches 3. AV bundle 4. AV node 5. SA node

• 1.SA node 2. AV node 3. Bundle of his 4. Purkinjie fibers

• 1.SA node 2. AV node 3. AV bundle 4. Bundle branches 5. Purkinjie fibers

• 1.AV node 2. SA node 3. Bundle of his 4. Purkinjie fibers 5. Bundle branches